header {
  height: 70px;
  border-bottom: solid 5px #329f9b;
  box-shadow: rgba(0, 0, 0, 0.1) 0 0 10px;
}
header .container {
  width: 1000px;
  margin: 0 auto;
  font-size: 16px;
  padding-top: 25px;
}
header .container .logo {
  float: left;
  margin-top: -2px;
}
header .container .logo a {
  color: #0098af;
  font-size: 20px;
  font-weight: bold;
  margin-right: 10px;
}
header .container nav {
  float: left;
}
header .container nav a {
  padding: 0 10px;
  color: #999;
  font-weight: bold;
}
header .container .member {
  float: right;
  position: relative;
}
header .container .member:hover .member-menu {
  display: block;
}
header .container .member .member-menu {
  position: absolute;
  left: 0;
  top: 22px;
  background-color: #f3f3f3;
  border: solid 1px #dcdcdc;
  padding: 10px;
  width: 150px;
  border-radius: 5px;
  background: #fff;
  display: none;
}
header .container .member .member-menu a {
  display: block;
  color: #999;
  margin-top: 10px;
  font-size: 15px;
  text-align: center;
}
